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Webster 1913 Edition
Dynactinometer
Dy-nacˊti-nom′e-ter
,Noun.
[Gr. [GREEK] power + E.
actinometer
.] An instrument for measuring the intensity of the photogenic (light-producing) rays, and computing the power of object glasses.
Definition 2024
dynactinometer
dynactinometer
English
Noun
dynactinometer (plural dynactinometers)
- An instrument for measuring the intensity of photogenic rays and computing the power of object glasses.